trop·​o·​tac·​tic | \ ¦träpə¦taktik\

Definition of tropotactic

: of, relating to, or constituting a tropotaxis

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First Known Use of tropotactic

1931, in the meaning defined above

History and Etymology for tropotactic

trop- entry 1 + -tactic

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The first known use of tropotactic was in 1931

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